import QtQuick 2.9
import QtQuick.Window 2.2
import QtQuick.Controls 1.4
import QtQuick.Dialogs 1.3

Dialog {
    id: root
    title: "提示"
    property string text
    property string informativeText
    property real standardButtons
    property url standardIconSource

    contentItem: Rectangle {
        id: content
        property real spacing: 6
        property real outerSpacing: 12
        property real buttonsRowImplicitWidth: Screen.pixelDensity * 50
        implicitHeight: contentColumn.implicitHeight + outerSpacing * 2
        onImplicitHeightChanged: root.height = implicitHeight
        implicitWidth: Math.min(root.__maximumDimension, Math.max(
                                    mainText.implicitWidth,
                                    buttonsRowImplicitWidth) + outerSpacing * 2)
        onImplicitWidthChanged: root.width = implicitWidth
        color: palette.window
        focus: root.visible
        Keys.onPressed: {
            event.accepted = true
            if (event.modifiers === Qt.ControlModifier)
                switch (event.key) {
                case Qt.Key_A:
                    detailedText.selectAll()
                    break
                case Qt.Key_C:
                    detailedText.copy()
                    break
                case Qt.Key_Period:
                    if (Qt.platform.os === "osx")
                        reject()
                    break
                }
            else
                switch (event.key) {
                case Qt.Key_Escape:
                case Qt.Key_Back:
                    reject()
                    break
                case Qt.Key_Enter:
                case Qt.Key_Return:
                    accept()
                    break
                }
        }

        Column {
            id: contentColumn
            spacing: content.spacing
            x: content.outerSpacing
            y: content.outerSpacing
            width: content.width - content.outerSpacing * 2

            SystemPalette {
                id: palette
            }

            Item {
                width: parent.width
                height: Math.max(
                            icon.height,
                            mainText.height + informativeText.height + content.spacing)
                Image {
                    id: icon
                    source: root.standardIconSource
                }

                Text {
                    id: mainText
                    anchors {
                        left: icon.right
                        leftMargin: content.spacing
                        right: parent.right
                    }
                    text: root.text
                    font.weight: Font.Bold
                    wrapMode: Text.WordWrap
                    //                    renderType: Settings.isMobile ? Text.QtRendering : Text.NativeRendering
                }

                Text {
                    id: informativeText
                    anchors {
                        left: icon.right
                        right: parent.right
                        top: mainText.bottom
                        leftMargin: content.spacing
                        topMargin: content.spacing
                    }
                    text: root.informativeText
                    wrapMode: Text.WordWrap
                    //                    renderType: Settings.isMobile ? Text.QtRendering : Text.NativeRendering
                }
            }

            Flow {
                id: buttons
                spacing: content.spacing
                layoutDirection: Qt.RightToLeft
                width: parent.width + content.outerSpacing
                x: -content.outerSpacing
                Button {
                    id: okButton
                    text: qsTr("确定")
                    onClicked: root.click(StandardButton.Ok)
                    visible: root.standardButtons & StandardButton.Ok
                }
                Button {
                    id: openButton
                    text: qsTr("Open")
                    onClicked: root.click(StandardButton.Open)
                    visible: root.standardButtons & StandardButton.Open
                }
                Button {
                    id: saveButton
                    text: qsTr("Save")
                    onClicked: root.click(StandardButton.Save)
                    visible: root.standardButtons & StandardButton.Save
                }
                Button {
                    id: saveAllButton
                    text: qsTr("Save All")
                    onClicked: root.click(StandardButton.SaveAll)
                    visible: root.standardButtons & StandardButton.SaveAll
                }
                Button {
                    id: retryButton
                    text: qsTr("Retry")
                    onClicked: root.click(StandardButton.Retry)
                    visible: root.standardButtons & StandardButton.Retry
                }
                Button {
                    id: ignoreButton
                    text: qsTr("Ignore")
                    onClicked: root.click(StandardButton.Ignore)
                    visible: root.standardButtons & StandardButton.Ignore
                }
                Button {
                    id: applyButton
                    text: qsTr("Apply")
                    onClicked: root.click(StandardButton.Apply)
                    visible: root.standardButtons & StandardButton.Apply
                }
                Button {
                    id: yesButton
                    text: qsTr("是")
                    onClicked: root.click(StandardButton.Yes)
                    visible: root.standardButtons & StandardButton.Yes
                }
                //                Button {
                //                    id: yesAllButton
                //                    text: qsTr("全部是")
                //                    onClicked: root.click(StandardButton.YesToAll)
                //                    visible: root.standardButtons & StandardButton.YesToAll
                //                }
                Button {
                    id: noButton
                    text: qsTr("否")
                    onClicked: root.click(StandardButton.No)
                    visible: root.standardButtons & StandardButton.No
                }
                //                Button {
                //                    id: noAllButton
                //                    text: qsTr("No to All")
                //                    onClicked: root.click(StandardButton.NoToAll)
                //                    visible: root.standardButtons & StandardButton.NoToAll
                //                }
                Button {
                    id: discardButton
                    text: qsTr("Discard")
                    onClicked: root.click(StandardButton.Discard)
                    visible: root.standardButtons & StandardButton.Discard
                }
                Button {
                    id: resetButton
                    text: qsTr("Reset")
                    onClicked: root.click(StandardButton.Reset)
                    visible: root.standardButtons & StandardButton.Reset
                }
                Button {
                    id: restoreDefaultsButton
                    text: qsTr("Restore Defaults")
                    onClicked: root.click(StandardButton.RestoreDefaults)
                    visible: root.standardButtons & StandardButton.RestoreDefaults
                }
                Button {
                    id: cancelButton
                    text: qsTr("取消")
                    onClicked: root.click(StandardButton.Cancel)
                    visible: root.standardButtons & StandardButton.Cancel
                }
                Button {
                    id: abortButton
                    text: qsTr("Abort")
                    onClicked: root.click(StandardButton.Abort)
                    visible: root.standardButtons & StandardButton.Abort
                }
                Button {
                    id: closeButton
                    text: qsTr("关闭")
                    onClicked: root.click(StandardButton.Close)
                    visible: root.standardButtons & StandardButton.Close
                }
                //                Button {
                //                    id: moreButton
                //                    text: qsTr("Show Details...")
                //                    onClicked: content.state = (content.state === "" ? "expanded" : "")
                //                    visible: root.detailedText.length > 0
                //                }
                //                Button {
                //                    id: helpButton
                //                    text: qsTr("Help")
                //                    onClicked: root.click(StandardButton.Help)
                //                    visible: root.standardButtons & StandardButton.Help
                //                }
                onVisibleChildrenChanged: calculateImplicitWidth()
            }
        }
    }

    function calculateImplicitWidth() {
        if (buttons.visibleChildren.length < 2)
            return
        var calcWidth = 0
        for (var i = 0; i < buttons.visibleChildren.length; ++i)
            calcWidth += Math.max(
                        100,
                        buttons.visibleChildren[i].implicitWidth) + content.spacing
        content.buttonsRowImplicitWidth = content.outerSpacing + calcWidth
    }
    Component.onCompleted: calculateImplicitWidth()
    onTextChanged: {
        console.log("onTextChanged")
        calculateImplicitWidth()
        console.log("calculateImplicitWidth  " + content.buttonsRowImplicitWidth
                    + " content.spacing " + content.spacing)
    }
    //        onYes: {
    //            //            errMsgbox.close()
    //            console.log("errMsgbox click ok ")
    //        }
}
